In pictures: Tech HQ designs around the world value interconnectivity

Amazon's new HQ in Seattle has three enormous glass domes filled with plants, a bit like the Eden Project in Cornwall. Designed by cutting-edge architects NBBJ, the 'biospheres' are intended to lure Amazon workers from their adjacent high-rise offices. The biospheres are due for completion in 2016, and the entire three-block project the following year.Picture: NBBJ